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BL57Laserscale
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Features
Supports a wide range of applications and offers the highest performance in its class. Ideal for precision stages, semiconductor inspection systems, precision processing machines, and liquid crystal manufacturing equipment.
- BL57-RE
- Achieves a measuring length of up to 1,060mm upon request, and offers the highest-level response speed and accuracy in its class.
- Signal pitch : 400nm
- Built-in reference point. 〈Applications〉Precision measuring equipment, precision stages.
- BL57-NE
- Compact size makes machine integration much easier
- Theoretically unaffected by changes in temperature, humidity, air pressure and air movement. Unparalled measuring stability achieved by use of low expansion glass
- Signal pitch : 400nm 〈Applications〉High-accuracy microscopes, measurement equipment.
Specifications
| Main specifications [BL57-RE] | ||||
|---|---|---|---|---|
| Model | F | G | H | |
| Output signal form | A/B quadrature output | Analog output | ||
| Detection principle | Diffraction grating scanning system | |||
| Scale length (Low expansion glass) |
Measuring length | 30, 60, 110, 160, 210, 260, 310, 360, 410 mm | ||
| Max. travel | Measuring length + 10mm (5mm on each side) | |||
| Overall length | Measuring length + 36mm | |||
| Scale length (Soda-lime glass) | Measuring length | 60, 160, 260, 360, 460, 560, 660, 760, 860, 960, 1060 mm | ||
| Max. travel |
Measuring length +10mm (5mm on each side) | |||
| Overall length | Measuring length + 36mm | |||
| Grating pitch | 1.6μm | |||
| Signal pitch | 0.4μm (400nm) | |||
| Output signal | Differential (compliant with EIA-422) | Differential (only reference point output are compliant with EIA-422) | ||
| Resolution | 0.1/0.05μm (selectable) | 0.02/0.01μm (selectable) | 0.4μm (1Vp-p) | |
| Scale accuracy (at 20℃) | ±0.5μm(30 to 160mm) / 1.0μm(210 to 360mm) / ±1.5m(410mm or more) | |||
| Thermal expansion coefficient | Low expansion glass: -0.7x10-6/℃ ・Soda-lime glass: 8x10-6/℃ | |||
| Max. response speed | 1,500mm/s(0.1μm) 650mm/s(0.05μm) | 300mm/s(0.02μm) 120mm/s(0.01μm) | 3,000mm/s (*1) | |
| Minimum phase difference:38ns | Minimum phase difference:38ns | Max 7.5MHz | ||
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| Alarm | High impedance, output when max. response speed is exceeded or signal level error detected | None | ||
| Reference point position | User definable (within the range of measuring length) | |||
| Reference point accuracy (at 20℃) | ±0.4μm (depending on machine movement accuracy) | |||
| Reference point detection direction | Single direction synchronous reference point | |||
| Head cable | Cable length |
1m (*4) | ||
| Bending radius | Static : 10mm | |||
| Output cable length | 15m Max (*2) (to the electronic control section) |
15m Max(*1) (*2) | ||
| Power supply (*3) | +5V (±5%) | |||
| Power consumption | 450mA (no load), 600mA (with 120Ω termination) | |||
| Vibration resistance | 100m/s2 (50 to 2000Hz) | |||
| Impact resistance | 200m/s2 | |||
| Operating temperature | 0 to +40˚C(No condensation) | |||
| Storage temperature | -10 to + 50˚C | |||
| Light source | Semiconductor laser : Wavelength 790nm, Output 6mW | |||
| Radiation power | JIS Class 1 equivalent, DHHS Class 1 equnivalent | |||
(*1) Max. response speed become limited by output cable length (the part beyond the interface box).
| Cable length (m) | Max. response speed (mm/s) |
| 3 | 3,000 |
| 9 | 2,330 |
| 15 | 1,660 |
(*2): A power supply line longer than 10m is incompatible with EN61000-6-2. Take surge protection measures upon use.
(*3): Satisfy the required specifications at the connector input section.
(*4): Special models can support up to 3m. However, the max. response speed is limited depending on the cable length.(In a 3m cable, the max. response speed is two-thirds that of a 1m cable.)
(*5): Special models can support a measuring length of 420mm to 560mm by low expansion glass and 1,070mm to 1,260mm by soda-lime glass.
| Main specifications [BL57-NE] | |||||
|---|---|---|---|---|---|
| Model | A | F | G | H | |
| Output signal form | A/B quadrature output | Analog output | |||
| Detection principle | Diffraction grating scanning system | ||||
| Scale length (Low expansion glass) | Measuring length | 30, 70, 120, 170, 220, 270, 320, 370, 420 mm | |||
| Max. travel | Measuring length +10mm (5mm on each side) | ||||
| Overall length | Measuring length + 26mm | ||||
| Scale length (Soda-lime glass) | Measuring length | 60, 160, 260, 360, 460, 560, 660, 760, 860, 960, 1060 mm | |||
| Max. travel | Measuring length +10mm (5mm on each side) | ||||
| Overall length | Measuring length + 36mm | ||||
| Grating pitch | 1.6μm | ||||
| Signal pitch | 0.4μm (400nm) | ||||
| Output signal | Differential (compliant with EIA-422) | Differential | |||
| Resolution | 0.1μm | 0.1/0.05μm (selectable) | 0.02/0.01μm (selectable) | 0.4μm (1Vp-p) | |
| Scale accuracy (at 20℃) | ±0.5μm (30 to 170mm) / 1.0μm (220 to 370mm) / ±1.5μm (420mm or more) | ||||
| Thermal expansion coefficient | Low expansion glass: -0.7 x 10-6/℃・ Soda-lime glass: 8 x 10-6/℃ | ||||
| Max. response speed | 1,000mm/s | 1,500mm/s (0.1μm) 650mm/s (0.05μm) | 300mm/s(0.02μm) 120mm/s(0.01μm) |
3,000mm/s (*1) | |
| Minimum phase difference:80ns | Minimum phase difference:38ns | Minimum phase difference:38ns | Max 7.5MHz | ||
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| Alarm | High-impedance A/B quadrature output signals when signal level error detected. | High-impedance output when max. response speed exceeded or signal level error detected. | None | ||
| Head cable | Cable length | 300mm | |||
| Bending radius | Static: 10mm | ||||
| Output cable length | 15m Max (*2) (to the electronic control section) |
15m Max (*1)(*2) | |||
| Power supply (*3) | +5V (+10%-5%) | +5V (±5%) | |||
| Power consumption | 200 mA (no load) 250 mA (with 120Ω termination) | 290mA (no load) 350mA (with 120Ω termination) | 250 mA (no load, with 120Ω termination) | ||
| Vibration resistance | 100m/s2(50 to 2000Hz) | ||||
| Impact resistance | 200ｍ/s2 | ||||
| Operating temperature | 0 to +40˚C(no condensation) | ||||
| Storage temperature | -10 to + 50˚C | ||||
| Light source |
Semiconductor laser : Wavelength 790nm, Output 6mW | ||||
| Radiation power | JIS Class 1 equivalent, DHHS Class 1 equivalent | ||||
(*1) Max. response speed become limited by output cable length (the part beyond the interface box).
| Cable length(m) | Max. response speed (mm/s) |
| 3 | 3,000 |
| 9 | 2,330 |
| 15 | 1,660 |
(*2）A power supply line longer than 10m is incompatible with EN61000-6-2.Take surge protection measures upon use.
(*3）Satisfy the required specifications at the connector input section.
|
Magnescale reserves the right to change product specifications without prior notice. |
Manual
| Product name | Japanese | English | Deutsch | Simplified Chinese | Traditional Chinese | |
|---|---|---|---|---|---|---|
| BL57 | NE | Download | Download | Download | ||
| BL57 | RE | Download | Download | Download | ||
*Please contact us if you cannot download the file.
Catalog
| BL57 Series | Japanese |  |
|---|---|---|
| BL57 Series | English | |
*Please contact us if you cannot download the file.
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